On Mon, Feb 23, 2009 at 09:27:08PM +0530, shyam_i...@dell.com wrote:
> Konrad wrote:
> >On Mon, Feb 23, 2009 at 06:16:04PM +0530, shyam_i...@dell.com wrote:
> >> 
> >> Does anyone know the reason for file attributes of the files created 
> >> in /sys/firmware/ibft/<>/files being readonly?
> >Yes. The spec does not allow you to write to the iBFT - only read. 
> Thanks Konrad. I guess I should have read the spec before commenting (:.

The spec is completly silent about this. Just talks about data values and
leaves the 'write'/generate part to vendors.

> >> 
> >> Can't dynamically changing parameters like target ip-addreseses, iqns
> >> and others etc. be configurable through userspace via sysfs?
> >Can't do. Well if you are using the IBM blades, they do have a Java
> tool (Blade Configuration something) that allows you to set those
> entries and on 
> >bootup the BIOS would generate them. The mechanism it uses to write
> that data is completly vendor-specific however.
> You mean the content generated by the Java tool is stored somewhere and
> the BIOS reuses the content to genereate them as the spec mandates only
> the BIOS to generate the iBFT.


(Thought to be exact, the word BIOS should be used loosly, as the NIC firmware
could be constructing the iBFT, and not neccesarily the BIOS).

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